$form-button: (
  icon-margin: 0 getCssVar(spacing, extra-tight) 0 0,
  icon-max-width: getCssVar(width-icon, medium),
  icon-max-height: getCssVar(width-icon, medium),
);

@include b(form-button) {
  @include set-component-css-var(form-button, $form-button);

  overflow: hidden;

  img,
  i {
    display: inline-block;
    max-width: getCssVar(form-button, icon-max-width);
    max-height: getCssVar(form-button, icon-max-height);
    margin: getCssVar(form-button, icon-margin);
  }
}
